<template>
<div>
  <!-- 面包屑导航区域 -->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>用户管理</el-breadcrumb-item>
    <el-breadcrumb-item>用户列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!-- 卡片视图区域 -->
  <el-card>
    <!-- 搜索 -->
    <el-row :gutter="20">
     <el-col :span="7">

        <el-input placeholder="请输入内容"
         v-model="queryInfo.query"
         clearable @clear="getUserList">
           <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
        </el-input>

     </el-col>

     <el-col :span="4">
       <el-button type="primary" @click="addsetRolesDialogVisible=true">添加用户</el-button>

     </el-col>
  </el-row>
  <!-- 用户列表区 -->
  <el-table :data="userList"
    stripe
    style="width: 100%">
    <el-table-column label="姓名" prop="username"></el-table-column>
    <el-table-column label="邮箱" prop="email"></el-table-column>
    <el-table-column label="电话" prop="mobile"></el-table-column>
    <el-table-column label="角色" prop="role_name"></el-table-column>
    <el-table-column label="状态" >
      <template slot-scope="scope">
          <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>

      </template>
    </el-table-column>
    <el-table-column label="操作" >

      <template slot-scope="scope">
        <!-- 修改按钮 -->
        <el-button type="primary" icon="el-icon-edit" circle @click="showEditDialog(scope.row.id)"></el-button>
        <!-- 删除按钮 -->
        <el-button type="danger" icon="el-icon-delete" circle @click="removeUserById(scope.row.id)"></el-button>
        <!-- 权限修改 -->
        <el-button type="warning" icon="el-icon-setting" circle @click="setRole(scope.row)"></el-button>

      </template>
    </el-table-column>
  </el-table>
  <!-- 分页区域 -->
  <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum "
      :page-sizes="[1,2,5,10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
  </el-card>
  <!-- 添加用户对话框 -->
  <el-dialog
  title="添加用户"
  :visible.sync="addsetRolesDialogVisible"
  width="50%"
  @close="addDialogClosed">
  <!-- 内容主体 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
  <el-form-item label="用户名" prop="userame">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password"  >
    <el-input type="password" v-model="addForm.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="addsetRolesDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
  </el-dialog>
  <!-- 修改用户对话框 -->
  <el-dialog
  title="修改用户信息"
  :visible.sync="editsetRolesDialogVisible"
  @close='editDialogClosed'
  width="50%">

   <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>

  <span slot="footer" class="dialog-footer">
    <el-button @click="editsetRolesDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
  </el-dialog>
  <!-- 分配角色对话框 -->
  <el-dialog
  title="分配角色"
  :visible.sync="setRolesDialogVisible"
  @close="setRolesColse"
  width="50%"
 >

  <div>
    <p>当前用户：{{userInfo.username}}</p>
    <p>当前角色：{{userInfo.role_name}}</p>
    <p>分配角色：

        <el-select v-model="selectRoleId" placeholder="请选择">
          <el-option
          v-for="item in rolesList"
          :key="item.id"
          :label="item.roleName"
          :value="item.id">
          </el-option>
        </el-select>

    </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRolesDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>

</div>

</template>

<script>

export default {
  created () {
    this.getUserList()
  },
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱正则表达式
      const regEmail = /^([a-zA-Z0-9-_])+@([a-zA-Z0-9-_])+(\.[a-zA-Z0-9-_])+/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则

    return {

      // 获取用户列表的参数
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        pagesize: 100
      },
      // 获取数据库用户数据
      userList: [],

      // 获取计算
      total: 0,
      addsetRolesDialogVisible: false,
      // 控制修改用户对话框的显示与隐藏
      editsetRolesDialogVisible: false,
      // 控制修改用户权限对话框的显示与隐藏
      setRolesDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '1@qq.com',
        mobile: '13800000000'
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 8, message: '长度在 8 到 16 个字符', trigger: 'blur' }

        ],
        email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
          // { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { min: 11, max: 12, message: '请输入11位的手机号码', trigger: 'blur' }
        ]
      }, // 获取修改用户信息
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
          // { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { min: 11, max: 12, message: '请输入11位的手机号码', trigger: 'blur' }
        ]

      },
      editFormRef: {
      },
      userInfo: {},
      rolesList: [],
      selectRoleId: ''

    }
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取数据失败！')
      this.userList = res.data.users
      this.total = res.data.total
      this.pagesize = res.data.total
      // console.log(res)
    },
    // 监听pagsize绑定的事件
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变了的事件
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch状态的改变
    async userStateChanged (usersinfo) {
      // console.log(usersinfo)
      const { data: res } = await this.$http.put(`users/${usersinfo.id}/state/${usersinfo.mg_state}`)
      if (res.meta.status !== 200) {
        usersinfo.mg_state = !usersinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 添加表单关闭时进行重置
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.addsetRolesDialogVisible = false
        this.getUserList()
      })
    },
    // 展示修改用户栏
    async showEditDialog (e) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + e)

      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }

      this.editForm = res.data
      this.editsetRolesDialogVisible = true
    },
    // 修改表单关闭时进行重置
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 修改表单与验证
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.put('users/' +
          this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新信息失败')
        }
        // 关闭对话框
        this.editsetRolesDialogVisible = false
        // 更新数据
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    async removeUserById (e) {
      const res = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (res !== 'confirm') return this.$message.info('已取消')
      const { data: o } = await this.$http.delete('users/' + e)
      if (o.meta.status !== 200) return this.$message.error('删除失败')
      this.$message.success('删除成功')
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 获取角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error('获取角色列表失败')
      this.rolesList = res.data
      console.log('@@@@', this.rolesList)
      this.setRolesDialogVisible = true
    },
    async saveRoleInfo () {
      if (!this.selectRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
      if (res.meta.status !== 200) return this.$message.error('更新角色失败')
      this.$message.success('更新用户成功')
      this.getUserList()
      this.setRolesDialogVisible = false
    },
    setRolesColse () {
      this.selectRoleId = ''
    }

  }

}
</script>

<style lang="less" scoped>

</style>
